<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
        <title>客户管理</title>
        <style>
            .content{
                background-color: antiquewhite;
                border: 1px solid black;
                box-shadow: 2px 2px 2px 2px rgb(138, 136, 165);
                padding: 10px;
                margin: 0 auto;
                width: 400px;
                height: 250px;
            }
            .first{
                float:left;
                width: 180px;
                margin: 10px;
                height: 100px;
                box-shadow: 2px 2px 2px 2px rgb(138, 136, 165);
                border-radius: 10px;
                background-color: greenyellow;
                padding-top: 10px;
                text-align: center;
            }
            a {
                text-decoration: none;
            }
            .first:hover
            {
                color: red;
                background-color: buttonface;
            }
        </style>
    </head>
    <body>
    　<a href="returnS">返回主页</a>
        <div class="content">
            <a href="select"><div class="first">
                    查询客户
                </div></a>
            <a href="add"><div class="first">
                    添加客户
                </div></a>
            <a href="update"><div class="first">
                    修改客户
                </div></a>
            <a href="delete"> <div class="first">
                    删除客户
                </div></a>
        </div>

    </body>
</html>